Update: kolab-webadmin 3.2.12

We’re pleased to announce an update for the kolab-webadmin packages, version 3.2.12. This update is a bugfix release for Kolab Enterprise 14, available for CentOS 6, CentOS 7, Debian 7, Debian 8, Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7, and Kolab 16, available for CentOS 7, Debian 8, Debian 9, Red […]

Relay Outbound Mail Through a Third Party, Using Postfix

John Doe administers a Kolab Enterprise installation, but the complete environment for what we’ll call “example.com” involves server systems hosted by third parties — such as a web server for the corporate website, and maybe other application servers. This article outlines the possible solutions to one or more of these environments being restricted somehow.

Reference Architecture for MariaDB Galera Cluster

A MariaDB Galera Cluster is the recommended deployment for a scalable database server architecture, and this article outlines what it looks like, and what its benefits are. Following this reference architecture will result in a load-balanced cluster, with high-availability achieved through load-balancing.

Using Catch All Email Addresses

A catch-all email address is an address that is used as a fall-back for when no other recipients are available. Ergo, it is the email address that receives all email for a domain that isn’t already delivered to other users or groups or shared folders. A default Kolab environment is not configured to facilitate catch-all […]